<div class="footer">
  <div class="go-top">
    <a href="#"> <img src="images/top.png" alt=""></a>
  </div>
  <span>武汉欣宇航化工有限责任公司 版权所有</span>
  <div class="footer-items fixed-bottom">.
    <ul>
      <li class="current">
        <a href="#">
          <img src="images/footer-phone.png" alt="">
          <span>在线电话</span>
        </a>
      </li>
      <li>
        <a href="particulars.html">
          <img src="images/footer-product.png" alt="">
          <span>产品中心</span>
        </a>
      </li>
      <li>
        <a href="tel:027-85308125">
          <img src="images/footer-kefu.png" alt="">
          <span>宇航客服</span>
        </a>
      </li>
      <li>
        <a href="index.html">
          <img src="images/footer-home.png" alt="">
          <span>宇航首页</span>
        </a>
      </li>

    </ul>
    <div class="footer-tel">
      <img src="images/footer-tel.png" alt="">
    </div>
  </div>
</div>